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Subject: Re: Error accessing mapped drive >2TB?
From: Warren Young <wyml@etr-usa.com>
In-Reply-To: <110723294.20150915064630@yandex.ru>
Date: Tue, 15 Sep 2015 17:20:07 -0600
Message-Id: <F6C06F8E-92F6-47CB-A84B-39F4199FC5B0@etr-usa.com>
References: <CA+2x6-L_pqdN6PHE0c15hcmrmB66Z75Hz95cH+dbcn4yXuVZNg@mail.gmail.com> <712A87EA-64C7-4033-BE7F-39C8C8D527EB@etr-usa.com> <110723294.20150915064630@yandex.ru>
To: cygwin@cygwin.com
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On Sep 14, 2015, at 9:46 PM, Andrey Repin <anrdaemon@yandex.ru> wrote:
> 
>>> The only thing I can think of is that the 2nd drive is >2TB.
> 
>> The same thing happens here with a 3.1 TB Fusion drive and a 500 GB
>> external drive…

[snip]

>> Why errno 5 from path_conv?
> 
> That's an interesting point... can you walk me through your setup

Pretty simple: I shared the entire drive from my OS X box to the Cygwin VM hosted on the same machine, and got this error with commands like “ls /p” when the drive is mapped as P:.

If I map my OS X Desktop folder to Q: on the Windows side, the problem doesn’t occur.

There are no ACLs on the root of either Mac OS X drive (ls -led /) so if it’s an OS X-side permission problem, it’s happening at a different layer than the filesystem.  Perhaps one of the MAC layers?  (Gatekeeper, etc.)

> Or is this Mac-specific?

Possibly.  OS X switched from Samba to an Apple-specific smbd in 10.7:

  https://developer.apple.com/library/mac/documentation/Darwin/Reference/ManPages/man8/smbd.8.html

I’ll repeat that Windows Explorer seems to have no problem showing the contents of the root of the P: share, though.
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